baber/WOPTO huggingface dataset:
Patent KR-880000663-B1 (KR)
Title: Solar energy collector head system
Inventor: TAKKEUCHI HIROSATTO
IPC: F24S10/70
Filed: 1982-08-20
Granted: 1988-04-20
Abstract: The header is provided with a pair of branched tubes (20), (21) respectively on both sides or a side of the passage (17) for heat- transfer medium.  The tubes have respective valves (12), (13) and connect to passages (30), (31) for heat-transfer medium which have caps (32), into which fit the open ends of collector tubes(2) in sealing with an "O" ring (33) against liquid leak.  Projective push means (10), (11) provided on the front of a supporter (7) open the valves (12), (13) to make passages (28), (29) through between the collectors and the header (1).  Free of load, springs (22), (23) close the valves.  Thus, partial damages of collector tubes may be easily replaced.
Patent KR-870001698-B1 (KR)
Title: Fire retardant composition
Inventor: PITERSN ROZO L
IPC: C09K21/06
Filed: 1982-08-20
Granted: 1987-09-24
Abstract: Self-extinguishing fire-retardant compsn. consists of an aq. 25-90 wt.% emulsion contg. 1.5-50% water-emulsified resin(I) solids, 1.5- 20% (organic) halogen compd. (II), 1.5-70% low-temp. fibers(III) and 5-70% clay.  The compsn. is specified for coating the insulation of an electric cable.  After application, it forms a self-extinguishing fire barrier and does not retain heat in normal operation.  It gives the desired results without the use of asbestos, reduces possibly toxic constituents and forms a flexible coating.  Pref. (I) is vinylacetate polymer or acrylic resin.
Patent KR-910004799-B1 (KR)
Title: Socket connector
Inventor: FRESHWATER LANE A
IPC: H01R4/24
Filed: 1983-12-21
Granted: 1991-07-13
Abstract: A socket connector having an insulating body (10) containing a plurality of contact elements (12 or 14) in which each of the contact elements is stamped from sheet metal and has a connecting end (20) and a pin contacting end (21). The pin contacting end of each contact element has a main body portion (25) with a flat pin guiding and contacting surface (26) and a pair of pin contact areas (35,36) spaced from and facing the pin guiding and contacting surface and defined on a pair of spring arms (28,29) that are cantilevered in opposite directions from a central bridge (31). The bridge is connected along one edge to a connecting link (33) extending between the main body portion and the bridge and having a greater area of connection to the main body portion than to the bridge.
Patent KR-900005542-B1 (KR)
Inventor: OPRESKO STEPHEN T
IPC: H01J29/84
Filed: 1984-02-28
Granted: 1990-07-31
Abstract: 내용 없음.
Patent KR-860001166-B1 (KR)
Title: A method of manufacturing eyelets for footwears
Inventor: KWAG SONG-IL
IPC: A43C5/00
Filed: 1984-06-15
Granted: 1986-08-20
Abstract: The elliptical eyelets(1) and the combination band(2) formed into an aluminium plate are electrolyzed in the oxalic acid bath to form an oxidation coating on both the inner and outer surface of them. And finally, they are dipped into polyurethane pigments dispersing acid dyes to form a anti-corrosive coating.
Patent KR-910009415-B1 (KR)
Inventor: MOINET GERARD
IPC: C07C231/08
Filed: 1984-06-30
Granted: 1991-11-15
Abstract: 내용 없음.
Patent KR-890003062-B1 (KR)
Title: Gas discharge lamp dimming system employing switching contact inputs
Inventor: LUCHACO DAVID G
IPC: H02M5/257
Filed: 1984-08-16
Granted: 1989-08-19
Abstract: The control system consists of a switching circuit, an electrical power source and a lamp brightness control system.  A microcomputer connected to several switches receives inputs to the time of day, light intensity in the room or environment, manual control setting etc.  The switches are connected to a number of separate switching networks connected in turn to a D/A converter. The separate switching networks handle three-bit binary numbers. The D/A converter is connected to a locking or limiting circuit which slows down the rate of response to control inputs.
Patent KR-890000119-B1 (KR)
Title: Pipe lining method using an electromagnetically exploded filament
Inventor: MATIJA CENANOVIC
IPC: B21D26/10
Filed: 1985-02-21
Granted: 1989-03-08
Abstract: A method of lining the inner wall of a metal pipe (21) at an exteriorly inaccessible predetermined location comprises (i) positioning a metal sleeve (24) at the predetermined location in the metal pipe, (ii) positioning a conductive filament (25) concentrically with the metal sleeve, (iii) filling the space between the conductive filament (25) and the metal sleeve (24) with an energy transfer medium, and (iv) electromagnetically exploding the filament thereby to initiate a shock wave which is transmitted through the medium to impinge on the sleeve thereby to expand the sleeve plastically.
Patent KR-930007551-B1 (KR)
Inventor: TAKAKI HARUYUKI
IPC: G06K7/10
Filed: 1985-03-06
Granted: 1993-08-12
Abstract: 내용 없음.
Patent KR-900000659-B1 (KR)
Title: Optical measuring apparatus
Inventor: IDA YOSIYAKI
IPC: G01D5/34
Filed: 1985-04-30
Granted: 1990-02-02
Abstract: Two optical fibres are connected to an optical sensor, each fibre being provided with a light source and a photodector at the other end.  The light sources are alternately driven on a time division basis.  Two polarised components perpendicular to each other are modulated by a reflex optical sensor and subjected to photoelectric conversion by each photodetector.  A photodetector to-photodetector output ratio is obtained synchronously with the generation of an output by the light source before being subjected to division.
Patent KR-900004887-B1 (KR)
Title: Semiconductor integrated circuit device having a test circuit
Inventor: OHBA OSAM
IPC: G11C29/20
Filed: 1985-08-07
Granted: 1990-07-09
Abstract: A semiconductor integrated circuit device comprises (a) a plurality of a gate cells (2) arranged in a matrix, (b) wiring means for connecting the gate cells so as to constitute a logic circuit, and (c) a test circuit comprising a plurality of row and column wires (3,4) provided along said gate cells (2) for selecting and reading out any gate cell to be tested, a plurality of switching means (5) arranged in a  matrix, row selection means (9,6) for selecting any of said row selection wires, and output means (7,8,11) for reading out any of said selected gate cells arranged in said logic circuit through a corresponding column read-out wire.
Patent KR-890000592-B1 (KR)
Title: Muxic on hold function control switching circuit of telephone
Inventor: LEE BYUNG-HOON
IPC: H04M3/02
Filed: 1985-11-28
Granted: 1989-03-21
Abstract: The cct. comprises a rectifying cct. (100), a tone ringer cct. (200), a dial cct. (300), a transmitting cct. (400), a music-onhold function control cct. (500), a switching cct. (600), a melody generating cct. (700), and a main telephone cct. (800).  When pushing on switches (SW1, SW2) for waiting a call, (700) is operated to provide misci to a caller and FETs (FET1-2) are turned off to cut out (400) from (700) .  When pushing on (SW1, SW2) again, a SCR is turned off, then cut off (700) for stopping the melody and reconnected with (400) for recovering the call.
Patent KR-920002615-B1 (KR)
Title: Epoxy resin composition and process for preparing laminates therefrom
Inventor: KOENIG RAYMOND
IPC: C08G59/62
Filed: 1985-01-30
Granted: 1992-03-30
Abstract: An epoxy resin composition and a process for preparing electrical laminates therefrom has been disclosed. 
<??>The epoxy resin composition is comprised of an epoxy resin, a solvent and a hardener which is the reaction product of a hexa-alkyl ether of a methylol melamine having the general formula: 
<CHEM>
 wherein each R, independently, is an alkyl radical having from 1 to 4 carbon atoms with a polyhydric phenol and, optionally, a monohydric phenol, with the phenol compound(s) having been employed in an amount to provide a ratio of at least one reactive phenolic hyxroxy group for each alkoxy group.
Patent KR-870002180-B1 (KR)
Title: Process for preparing(+)-n-methyl-3-(2-methyl-phenoxy)-3-phenylpropylamine
Inventor: MISNER JERRY W
IPC: C07B55/00
Filed: 1986-02-25
Granted: 1987-12-28
Abstract: Title compds. (I) are prepd. by the reaction of (+)-N-methyl3-(2- methylphenoxy)-3-phenylpropylamine and C1-6 alkyl alkali metal or C1-6 alkylamide in solvent such as 1,2-dimethoxyethane or tetrahydrofuran.  Thus, the mixture of 1.27g (±)-N-methyl-3(2- methylphenoxy)3-phenylpropylamine and 20ml THF is reacted with 2.3ml n-butyllithium to give 1.24g (+)-N-methyl-3-(2methylphenoxy)-3- phenylpropylamine (yield 97%).
Patent KR-890002471-B1 (KR)
Title: Operated simplification circuit in the galois field gf(2,8)
Inventor: KIM YONG-SOK
IPC: H03M13/00
Filed: 1986-06-16
Granted: 1989-07-10
Abstract: The circuit includes addresses (6,7,8,30) for adding the syndrome, a cube circuit (31) for cubing the adder output, an inverse circuit (22) for inversing the adder output, a multiplier (33) for multiplying cubed value by inversed one, a square root extracting circuit (34) for obtaining square root of multiplied output, an adder (35) for adding square root and syndrome to calculate the error.
Patent KR-900000260-B1 (KR)
Title: Typewriter misprint correction method for the hangul printer(the korean alphabet printer)
Inventor: CHONG YONG-KYU
IPC: B41J5/30
Filed: 1986-07-24
Granted: 1990-01-24
Abstract: The circuit for letter correction includes a memory (1) for recording Hangul data with two bytes, a positon indicator (2) for indicating the data position in the memory according to the carriage position, a searching unit (3) for dividing two byte Hangul into initial, middle, and final phonemes, a registor (4) for storing the divided Hangul data, a classifier (5) for classifying the Hangul according to the forms of the letter, and an adjuster (6) for correcting the Hangul letter in middle-finalinitial phoneme order.  The carraige is reverse shifted and correcponding phonemes are drawn out in the order for correcting the mistyped letter when correction key is pressed.
Patent KR-910002654-B1 (KR)
Inventor: DONNELL MATTHEW O
IPC: G01R33/24
Filed: 1986-10-07
Granted: 1991-04-27
Abstract: 내용 없음.
Patent KR-900005815-B1 (KR)
Title: Power failure stop circuit for a converter
Inventor: SUKIMODO SIKEYUKI
IPC: H02H7/12
Filed: 1986-10-21
Granted: 1990-08-11
Abstract: The control circuit has a voltage detector (5) and a power failure frequency command decision circuit (16) which select the approp. inverter control pattern. A power rectifier unit connects to an AC supply and a power inverter has its input connected to the output of the rectifier. The rectifier and inverter supply AC power to the motor. The decision circuit compares a target speed command with an output frequency command under normal operation of the converter and outputs a deceleration mode signal irrespective of the operation mode at time of failure. Thus, the DC bus voltage of the converter can be maintained nearly constant by the regenerated power from the motor.
Patent KR-900002003-B1 (KR)
Title: Disc loading apparatus using the catridge
Inventor: YUN HWA-YOUNG
IPC: G11B17/04
Filed: 1986-11-29
Granted: 1990-03-31
Abstract: The optical disc loading equipment uses a cartridge in order to make it easy loading an optical disc while driving a car.  The optical disc loading equipment comprises a lower plate of the cartridge (4) having holes (13) for deciding a position, a guide (19) for guiding the cartridge, a support part (21) for inserting the cartridge in the hole for deciding a position, a hole (11) for turntable, a hole (12) for passing laser, and a limit switch (26) for making a driving motor on when inserting the cartridge.
Patent KR-940002918-B1 (KR)
Inventor: LEE HUNG-JEN
IPC: H02H7/045
Filed: 1986-12-10
Granted: 1994-04-07
Abstract: 내용 없음.
Patent KR-900000541-B1 (KR)
Inventor: TAKAHASHI RYO
IPC: G01T1/161
Filed: 1985-10-17
Granted: 1990-01-31
Abstract: 내용 없음.
Patent KR-910007265-B1 (KR)
Inventor: STOLL KURT
IPC: H02K41/02
Filed: 1987-03-20
Granted: 1991-09-24
Abstract: 내용 없음.
Patent KR-910003589-B1 (KR)
Title: Preparation for polyester copolymer
Inventor: LEE DO-MUK
IPC: C08G63/46
Filed: 1987-07-22
Granted: 1991-06-07
Abstract: The polyester block  copolymer  is  prepd.  by  addition  and copolymerization of the  soft  segment  component  comprising  the aliphatic polyester diol of formula (I) and aromatic  dicarboxylic acid,  and  the  hard  segment  component  comprising  the   lower molecular weight diol  and  aromatic  dicarboxylic  acid.  In  the formula, R1 is methyl or ethyl; R2 is H, methyl  or  ethyl;  X  is integer of 1-10; n is integer of 1-30. The obtd. copolymer  has  a good  heat  resistance  and  elasticity  by  using  the  aliphatic polyester diol in place of polyeter in soft segment part.
Patent KR-950011338-B1 (KR)
Inventor: SAKAMODO MASASHI
IPC: C09C1/36
Filed: 1987-11-11
Granted: 1995-09-30
Abstract: 내용 없음.
Patent KR-910006562-B1 (KR)
Inventor: GLEIM GUNTER
IPC: G06K7/10
Filed: 1986-12-04
Granted: 1991-08-28
Abstract: 내용 없음.
Patent KR-920000493-B1 (KR)
Inventor: HATFIELD STEPHEN C
IPC: G21C3/352
Filed: 1988-05-11
Granted: 1992-01-14
Abstract: 내용 없음.
Patent KR-970004836-B1 (KR)
Inventor: AOYAMA TAKASHI
IPC: G02F1/1368
Filed: 1988-06-10
Granted: 1997-04-04
Abstract: 내용 없음.
Patent KR-930004738-B1 (KR)
Title: Speech synthesis
Inventor: LEE YUN-KUN
IPC: G10L15/10
Filed: 1988-07-30
Granted: 1993-06-03
Abstract: The method stores more reference patterns in limited capacity of memory by storing only the patterns of which euclidien distance exceeds  a  certain  level.  The  circuit  for   it   includes   a microphone/speaker interfacing section  (3)  for  interfacing  the signals of a microphone (1) and a  speaker  (2),  a  clock  analog section (4) for filtering and sampling the output  signal  of  the interfacing section  (3),  a  digital  signal  processor  (6)  for controlling the  overall  operation  of  the  system,  an  address decoder (7) for decoding the I/O selecting signal (IS) and program selecting signal (PS), and a reference data storing ROM (9).
Patent KR-920005958-B1 (KR)
Title: Green fluorescent substance and process for preparing the same
Inventor: KIM U-CHAN
IPC: C09K11/77
Filed: 1988-12-23
Granted: 1992-07-25
Abstract: The  method  for  producing  a  green-emitting   fluorescent material of ZnS:Cu Au Al is characterized by (a) mixing  ZnS  with Tb4O7, CuSO45H2O, HAuCl4 2H2O, Al(NO3)3 9H2O, KI, NaI and S,  (b) firing the mixture in the crucible under the reduction  atmosphere contg. carbon disulfide at 980 deg.C for 2 hr, and (c) washing and drying the fired material. Pref. the mixing amount of Tb4O7 per  1 g ZnS is 1 x 10-4 g or less. The fluorescent material is used  for a color TV braun tube.
Patent KR-950014714-B1 (KR)
Title: Whisker reinforced ceramics and a method of clad/hot isostatic pressing same
Inventor: METROTRA PANKAJ KUMAR
IPC: C07C69/712
Filed: 1988-08-08
Granted: 1995-12-13
Abstract: PCT No. PCT/EP87/00653 Sec. 371 Date May 5, 1989 Sec. 102(e) Date May 5, 1989 PCT Filed Nov. 2, 1987 PCT Pub. No. WO88/03525 PCT Pub. Date May 19, 1988.Arylcarboxylates of 2-hydroxypropionates are known, amongst other compounds, as dopes for converting tilted smectic liquid-crystal phases into ferroelectric liquid-crystal phases. The novel chiral aryloxypropionates of the general formula  <IMAGE>  are two-fold chiral and in which the symbols have the following meaning: R1 denotes a straight-chain alkyl or alkoxy radical having 1 to 16 carbon atoms or a branched alkyl or alkoxy radical having 4 to 16 carbon atoms, it being possible for one or two non-adjacent CH2 groups to be replaced by a sulfur and/or oxygen atom; A denotes one, two or three aromatic or heteroaromatic rings which are linked to one another directly or via one or two COO groups; B denotes a chemical bond or one or two aromatic or heteroaromatic rings which are linked directly to one another; R2 (a) if B is a chemical bond, denotes an alkyl radical having 2 to 10 carbon atoms which contains an asymmetrical carbon atom which is substituted by CH3, halogen or a COOC2H5 group, or an alkyl radical having 3 to 10 carbon atoms which contains two adjacent, asymmetrical carbon atoms of which one is substituted by halogen and the other by a CH3 group, or which, together with an O, form an oxirane ring, or (b) if B denotes one or two aromatic or heteroaromatic rings which are bonded directly to one another, denotes alkoxy radicals having the same number of carbon atoms and the same structure of the alkyl group as under (a).
Patent KR-910007508-B1 (KR)
Inventor: YAMAZAKI NOBUTO
IPC: B23K20/02
Filed: 1989-01-13
Granted: 1991-09-26
Abstract: 내용 없음.
Patent KR-950008313-B1 (KR)
Title: Heterocyclic compounds and antiulcer agents
Inventor: MATSUTANI SHIGERU
IPC: C07D455/02
Filed: 1989-02-18
Granted: 1995-07-27
Abstract: Novel heterocyclic compounds of the formula : <CHEM> or pharmaceutically acceptable acid addition salts thereof having a more potent and longer lasting cytoprotective anti-ulcer action than known analogues, useful in the treatment or prophylaxis of gastric ulcer at an oral dose of 10-500 mg, preferably 20 mg-100 mg per day to an adult, are provided through several routes.
Patent KR-920003494-B1 (KR)
Title: Real time 2's complement number code multification method and circuit
Inventor: SIM DAE-YUN
IPC: G06F7/533
Filed: 1989-06-20
Granted: 1992-05-01
Abstract: The multiplier  uses  a  two's  complement  code  multiplying method which  expresses  the  negative  number  and  maintains  a consistency  upon  adding  and  subtracting.  The  2's  complement numbers with a  multiplicand  and  a  multiplier  are  applied  to latches (301,302). The most significant bits produced by AND gates (303,304) are combined in  an  OR  gate  (401)  for  inputting  to latches (311,312) of a first processing unit (40a),  other  values being also buffered by latches (305,306,312) before being received by an adder (313). A second processing unit (40b) follows and  the partial sum values  are  corrected.  An  adder  (323)  provides  a subtraction operation to produce a result. The multiplier provides direct processing of 2's complement.
Patent KR-950010542-B1 (KR)
Inventor: TOI KOICHI
IPC: B65D41/04
Filed: 1989-06-21
Granted: 1995-09-19
Abstract: 내용 없음.
Patent KR-930002883-B1 (KR)
Inventor: ICHIGAWA TOMOHISA
IPC: H04B7/26
Filed: 1989-09-19
Granted: 1993-04-12
Abstract: 내용 없음.
Patent KR-0137368-B1 (KR)
Title: Process for dispersing ignition resistant additives into carbonate polymers
Inventor: SAMUEL ABOTA OGO
IPC: C08K5/136
Filed: 1989-12-19
Granted: 1998-04-27
Abstract: A process for dispersing one or more powdered ignition resistant or flame retardant additives into carbonate polymers which comprises the steps of preparing a base concentrate having from 5 to 50 weight per cent of said additives by blending said additives with a carbonate polymer having a melt flow rate of from 3 to 20, pelletizing said base concentrate having said ignition resistant additive dispersed therein, dry blending said concentrate pellets with carbonate polymer pellets having a melt flow rate of from 1 to 80 whereby said polymer/concentrate blend has an amount of said additive dispersed therein effective to render said blend ignition resistant, and pelletizing or molding said carbonate polymer/concentrate blend. The use of this method gives ignition resistant carbonate polymers with improved impact properties as measured by Izod impact tests.
Patent KR-0149002-B1 (KR)
Title: Cytokine preparation
Inventor: GOLDENBERG M DAVID
IPC: A61K47/48
Filed: 1989-03-28
Granted: 1998-10-15
Abstract: Anticancer, antimicrobial and autoimmune disease, and anti-organ rejection therapy using cytotoxic agents is improved using cytokines to prevent, mitigate or reverse adverse radiation-induced or drug-induced toxicity, especially to hematopoietic cells. Cytotoxic agents can include radioisotopes, drugs, toxins and even unconjugated antibodies. A preferred cytokine is IL-1. Higher doses of cytotoxic agents can be administered and tolerated by the patient and dose-limiting marrow toxicity can be prevented, palliated or reversed using adjunct cytokine therapy.
Patent KR-0171577-B1 (KR)
Inventor: KIZU SOJIRO
IPC: G11B27/10
Filed: 1990-04-26
Granted: 1999-04-15
Abstract: 비디오 프로그램 정보는 다수의 미리 기록된 소스 매체로부터 편집 기록 매체 상으로 편집된다. 각 소스 매체는 그 매체의 시작 위치에 관계하는 그 매체 상의 한 위치에 기록되고, 그 매체의 한 위치는 동일 공통 장면이 기록되는 다른 소스매체의 시작 위치에 관한 위치와는 상이하다. 각 소스 매체는 그 위에 별개의 위치를 나타내는 어드레스 데이터를 포함하고 공통 장면의 프로그램 정보가 복수의 소스 매체로부터 동시에 재생되는 때에 각각의 매체에 관련된 어드레스 데이터도 재생된다. 재생되는 프로그램 정보는 모니터되고, 공통 장면의 장면 위치가 복수의 소스 매체로부터 거의 동시에 재생되는 때에 장면 위치가 그 소스 매체 상에 기록되는 실제 위치를 나타내는 각 소스 매체로부터 어드레스 데이터가 동기 어드레스 데이터로서 기억된다. 별개의 소스 매체상의 각 포인트가 선택되어 선택된 편집 포인트는 동기 어드레스 데이터에 기준된다. 그 이유로, 일예로서, 공통 장면의 시작 위치가 매체마다 다르더라도, 그 장면의 시작 위치에 관한 각 매체상의 각각의 편집 포인트는 서로 동상이다. 편집 기록 매체 상으로의 기록을 위한, 각각의 소스 매체로부터 비디오 프로그램 정보의 선택된 세그먼트의 재생은 기준 편집 포인트에 따라 제어된다.
Patent KR-940005027-B1 (KR)
Inventor: TAKANE NOBORU
IPC: B65H54/71
Filed: 1990-05-30
Granted: 1994-06-10
Abstract: 내용 없음.
Patent KR-0178391-B1 (KR)
Title: Polymer base blend compositions containing destructured starch
Inventor: LENTZ DAVID JOHN
IPC: C08L1/02
Filed: 1990-07-11
Granted: 1999-05-15
Abstract: A composition of matter capable of being formed into articles having substantial dimensional stability comprising     a) destructurized starch, and b) at least one polymer selected from the group of polysaccharides which have been chemically modified to contain added hydroxyalkyl groups and/or contain alkyl ether groups, and/or contain ester groups; said polymer being present in an amount effective to enhance the physical properties of said articles.   The composition may contain further conventional additives as well as hydrophobic substantially water-insoluble polymers.
Patent KR-920005909-B1 (KR)
Title: Module device of certificating visitor by using pip function in tv
Inventor: LEE JONG-KUG
IPC: H04N5/45
Filed: 1990-07-21
Granted: 1992-07-24
Abstract: The collector of  a  transistor  (Q3)  is  connected  through differentiating circuits (C4,R15) and through the collector  of  a transistor (Q7) to a clock pulse terminal (CP) of  a  D  flip-flop (A13). Diodes (D4,D5) are connected through their  own  anodes  to the collectors of transistors  (Q5,Q7),  and  are  also  connected through their cathodes to  the  input  terminal  of  an  AND  gate (AND1). Output logic signals (01,02) of a microprocessor (A10)  re supplied through a transistor (Q11) to an input terminal of an AND gate (AND3). Main picture or  sub-picture  selecting  signals  are supplied through transistors (Q8)(Q9) to an input terminal (D)  of a D flip-flop (A16).
Patent KR-920009429-B1 (KR)
Title: Method of making pattern on the metal-mesh fabrics
Inventor: LEE BYONG-KON
IPC: A45C5/02
Filed: 1990-07-25
Granted: 1992-10-16
Abstract: The  pattern  forming  method  for  the  metal  mesh  fabric compreises: (A) forming patterns on the flat  plate  material  (1) which adheres to  the  stickers  (a);  (B)  attaching  the  fabric texture material, which consists of a convex material (2) adhering to the sticker (b) arranged around the  flat  plate  (1),  on  the supporting plate (c) having the arc type supporting groove (d) and the needle inserting hole (e); (C) protecting the surface  of  the material using  the  shock  absorbing  rubber  plate  (h)  in  the finishing process.
Patent KR-920008516-B1 (KR)
Title: Process for the production polysilicon
Inventor: KANG SONG-HUN
IPC: C01B33/02
Filed: 1990-08-31
Granted: 1992-10-01
Abstract: Polysilicon  preparation  method  comprises  (a)  doping  the polysilicon substrate with the impurities such as P or As  by  low pressure CVD; (b) depositing the CVD oxide or  nitride  film;  (c) loading the wafer into the diffusion  furnace  to  the  inert  gas atmosphere; (d) heating the furnace at 700-900 deg.C  and  forming the insulating film; e) heating the furnace at 800-1200 deg.C  and heat treating the wafer; (f) cooling the furnace to 700  deg.C  at the constant rate; and (g) unloading the wafer from the  diffusion furnace.  The  insulating  film  protects  the   impurities   from diffusion out and helps diffusion into the undoped down  part,  so that the conductivity is enhanced.